linux-kernel - Re: [PATCH v8 0/7] add thermal sensor driver for A64, A83T, H3, H5, H6, R40

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Message-ID: <CA+E=qVf1wVLgJ3_4K3nbZtgkRUVfmfgArwssPXu2Qb0NHAB+GA@mail.gmail.com>
Date:   Thu, 6 Feb 2020 16:49:01 -0800
From:   Vasily Khoruzhick <anarsoul@...il.com>
To:     Amit Kucheria <amit.kucheria@...durent.com>
Cc:     Yangtao Li <tiny.windzz@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        lakml <linux-arm-kernel@...ts.infradead.org>,
        Ondřej Jirman <megous@...ous.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 0/7] add thermal sensor driver for A64, A83T, H3, H5,
 H6, R40

On Thu, Feb 6, 2020 at 6:14 AM Amit Kucheria
<amit.kucheria@...durent.com> wrote:
>
> Hi Vasily,
>
> For this entire series, the DTS files don't contain any trip points.
> Did I miss some other series?

See https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git/commit/?h=sunxi/dt-for-5.6&id=e1c3804a177418fe14d95f0c4ccba5ae66f73d82
for A64

> At a minimum, you should add some "hot" or "critical" trip points
> since then don't require a cooling-map with throttling actions. If you
> have "passive" trip points, then you need to provide cooling-maps.
>
> Since this series has been merged, could you please follow up with a
> fixup series to add the trip points?

A64 has already made it into linux-next, I believe there's other
series in flight at least for H6 from Yangtao Li and for H5 from
Chen-Yu Tsai

> Regards,
> Amit
> p.s. We should catch all this automatically, I'll send out yaml
> bindings for the thermal framework soon that should catch this stuff.
>
> On Thu, Dec 19, 2019 at 10:58 PM Vasily Khoruzhick <anarsoul@...il.com> wrote:
> >
> > This patchset adds driver for thermal sensor in A64, A83T, H3, H5,
> > H6 and R40 SoCs.
> >
> > v8:
> >         - [vasily] Address more Maxime's comments for dt-schema
> >         - [vasily] Add myself to MAINTAINERS for the driver and schema
> >         - [vasily] Round calibration data size to word boundary for H6 and A64
> >         - [vasily] Change offset for A64 since it reports too low temp otherwise.
> >                    Likely conversion formula in user manual is not correct.
> >
> > v7:
> >         - [vasily] Address Maxime's comments for dt-schema
> >         - [vasily] Move common part of H3 and H5 dts into sunxi-h3-h5.dtsi
> >         - [vasily] Add Maxime's a-b to the driver patch
> >
> > v6:
> >         - [ondrej, vasily] Squash all driver related changes into a
> >                            single patch
> >         - [ondrej] Rename calib -> calibration
> >         - [ondrej] Fix thermal zone registration check
> >         - [ondrej] Lower rate of sensor data interrupts to 4/sec/sensor
> >         - [ondrej] Rework scale/offset values, H6 calibration
> >         - [ondrej] Explicitly set mod clock to 24 MHz
> >         - [ondrej] Set undocumented bits in CTRL0 for H6
> >         - [ondrej] Add support for A83T
> >         - [ondrej] Add dts changes for A83T, H3, H5, H6
> >         - [vasily] Add dts changes for A64
> >         - [vasily] Address Maxime's comments for YAML scheme
> >         - [vasily] Make .calc_temp callback mandatory
> >         - [vasily] Set .max_register in regmap config, so regs can be
> >                    inspected using debugfs
> >
> > Ondrej Jirman (4):
> >   ARM: dts: sun8i-a83t: Add thermal sensor and thermal zones
> >   ARM: dts: sun8i-h3: Add thermal sensor and thermal zones
> >   arm64: dts: allwinner: h5: Add thermal sensor and thermal zones
> >   arm64: dts: allwinner: h6: Add thermal sensor and thermal zones
> >
> > Vasily Khoruzhick (1):
> >   arm64: dts: allwinner: a64: Add thermal sensors and thermal zones
> >
> > Yangtao Li (2):
> >   thermal: sun8i: add thermal driver for H6/H5/H3/A64/A83T/R40
> >   dt-bindings: thermal: add YAML schema for sun8i-thermal driver
> >     bindings
> >
> >  .../thermal/allwinner,sun8i-a83t-ths.yaml     | 160 +++++
> >  MAINTAINERS                                   |   8 +
> >  arch/arm/boot/dts/sun8i-a83t.dtsi             |  36 +
> >  arch/arm/boot/dts/sun8i-h3.dtsi               |  20 +
> >  arch/arm/boot/dts/sunxi-h3-h5.dtsi            |   6 +
> >  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi |  42 ++
> >  arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi  |  26 +
> >  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi  |  33 +
> >  drivers/thermal/Kconfig                       |  14 +
> >  drivers/thermal/Makefile                      |   1 +
> >  drivers/thermal/sun8i_thermal.c               | 639 ++++++++++++++++++
> >  11 files changed, 985 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/thermal/allwinner,sun8i-a83t-ths.yaml
> >  create mode 100644 drivers/thermal/sun8i_thermal.c
> >
> > --
> > 2.24.1
> >